<html lang="cn">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="陶士涵">
    <title>GO-FLY咨询页</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/element-ui@2.13.1/lib/theme-chalk/index.css">
    <script src="/static/js/functions.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/element-ui@2.13.1/lib/index.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js"></script>
    <!-- Bootstrap core CSS -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
    <style>
        html,
        body {
            height: 100%;
            background: rgb(245,245,245);
        }
        .chatContext{
            padding:0 10px;
            width: 100%;
            text-align: left;
            position: relative;
        }
        .chatBox{
            max-height: 600px;
            overflow-y: auto;
            overflow-x: hidden;
            margin-bottom: 80px;
        }
        .chatBox .el-col{margin:10px 0;}
        .chatUser{
            line-height: 24px;
            font-size: 12px;
            white-space: nowrap;
            color: #999;
            text-align: left;
        }
        .chatContent{
            background-color: rgb(166,212,242);
            color: #000;
            border: 1px solid rgb(152, 199, 230);
            padding: 8px 15px;
            min-height: 35px;
            word-break: break-all;
            position: relative;
            border-radius: 5px;
            display: inline-block;
            margin-left: 6px;
        }
        .chatContent:after {
            content: '';
            position: absolute;
            left: -10px;
            top: 13px;
            width: 0;
            height: 0;
            border-style: dashed;
            border-color: transparent;
            overflow: hidden;
            border-width: 10px;
            border-top-style: solid;
            border-top-color: rgb(166,212,242);
        }
        .chatBoxMe .chatContent{float: right;background-color: rgb(152,225,101);border: 1px solid rgb(145, 215, 96);}
        .chatBoxMe .chatContent:after{border-top-color: rgb(152,225,101);}
        .chatBoxMe .el-col-3{float: right;text-align: right;}
        .chatBoxMe .chatUser{text-align: right}
        .chatBoxMe .chatContent:after{left:auto;right: -10px;}
        .chatArea{margin: 5px 0 0 5px;}
        .chatArea .el-textarea__inner{width: 85%;}
        .chatTitle{height: 30px;line-height: 30px;color: #1989fa}
        .chatBoxSend{background: #fff;position: fixed;bottom: 0;left: 0;width: 100%;height: 67px;}
        .chatBoxSendBtn{position: absolute;right: 5px;bottom:50%;margin-bottom: -16px;}
        .chatTime{text-align: center;color: #bbb;margin: 5px 0;font-size: 12px;}
        .chatTimeHide{display: none;}
        .clear{clear:both;}
    </style>

</head>
<body class="text-center">
<div id="app" style="width:100%">
    <template>
        <!--客服代码-->
        <div class="chatContext">
            <div class="chatBox">
                <el-alert
                        style="margin-bottom: 10px;font-size: 12px;"
                        title="公告 : 您好，go-fly目前是即时通讯客服系统方面的小学生，还有很长的路要走，感谢您的使用和支持。"
                        type="success">
                </el-alert>
                <el-alert
                        style="margin-bottom: 10px;"
                        :title="chatTitle"
                        :closable="false"
                        type="success">
                </el-alert>
                <el-row :gutter="2" v-for="v in msgList" v-bind:class="{'chatBoxMe': v.is_kefu==true}">
                    <div class="chatTime" v-bind:class="{'chatTimeHide': v.show_time==false}"><{v.time}></div>
                    <el-col :span="3"><el-avatar :src="v.avator"></el-avatar></el-col>
                    <el-col :span="21">
                        <div class="chatUser"><{v.name}></div>
                        <div class="chatContent"><{v.content}></div>
                    </el-col>
                    <div class="clear"></div>
                </el-row>
            </div>
        </div>
        <div class="chatBoxSend">
            <el-input type="textarea" class="chatArea" v-model="messageContent" v-on:keyup.enter.native="chatToUser"></el-input>
            <el-button type="primary" class="chatBoxSendBtn" size="small" v-on:click="chatToUser">{{.SendBtn}}</el-button>
        </div>
        <!--//客服代码-->

    </template>
</div>
</body>
<script src="//pv.sohu.com/cityjson?ie=utf-8"></script>
<script src="https://cdn.bootcss.com/reconnecting-websocket/1.0.0/reconnecting-websocket.min.js"></script>
<script>
    var KEFU_ID="{{.KEFU_ID}}";
    var guest={};
    guest.id = "";
    guest.name = typeof(returnCitySN)!="undefined" ?returnCitySN["cname"]+"网友":"小米";
    guest.avator = "/static/images/"+Math.floor(Math.random()*(14-0+1)+0)+".jpg";
    guest.group = "1";
    guest.to_id=KEFU_ID!=""? KEFU_ID:"kefu2";

    new Vue({
        el: '#app',
        delimiters:["<{","}>"],
        data: {
            window:window,
            server:getWsBaseUrl()+"/chat_server",
            socket:null,
            msgList:[],
            messageContent:"",
            chatTitle:"正在连接...",
            visitor:{},
        },
        methods: {
            //初始化websocket
            initConn() {
                let socket = new ReconnectingWebSocket(this.server);//创建Socket实例
                this.socket = socket
                this.socket.onmessage = this.OnMessage;
                this.socket.onopen = this.OnOpen;
                this.socket.onclose = this.OnClose;
            },
            OnOpen() {
                this.chatTitle="连接成功! 等待客服接入"
                //从缓存中取出用户
                let userinfo=this.getUserInfo();
                let mes = {}
                mes.type = "userInit";
                userinfo.client_ip=returnCitySN["cip"];
                userinfo.city=returnCitySN["cname"];
                userinfo.refer="{{.Refer}}";
                mes.data = userinfo;
                this.socket.send(JSON.stringify(mes));
            },
            OnMessage(e) {
                const redata = JSON.parse(e.data);
                if (redata.type == "kfOnline") {
                    let msg = redata.data
                    guest.to_id=msg.id;
                    this.chatTitle=msg.name+",为您服务!"
                    $(".chatBox").append("<div class=\"chatTime\">"+this.chatTitle+"</div>");
                    this.scrollBottom();
                }
                if (redata.type == "message") {
                    let msg = redata.data
                    guest.to_id=msg.id;

                    let content = {}
                    content.avator = msg.avator;
                    content.name = msg.name;
                    content.content = msg.content;
                    content.is_kefu = false;
                    content.time = msg.time;
                    this.msgList.push(content);

                    this.saveHistory(content);
                    this.scrollBottom();
                    flashTitle();//标题闪烁
                }
                window.parent.postMessage(redata);
            },
            //发送给客户
            chatToUser() {
                if(guest.to_id==""){
                    this.$message({
                        message: '暂时没有客服接手',
                        type: 'warning'
                    });
                    return;
                }
                if(this.messageContent==""){
                    this.$message({
                        message: '不能发送空白信息',
                        type: 'warning'
                    });
                    return;
                }

                let _this=this;
                let mes = {};
                mes.type = "visitor";
                mes.content = this.messageContent;
                mes.from_id = guest.id;
                mes.to_id = guest.to_id;
                mes.content = this.messageContent;
                $.post("/message",mes,function(){
                    _this.messageContent = "";
                });

                let content = {}
                content.avator=guest.avator;
                content.content = this.messageContent;
                content.name = guest.name;
                content.is_kefu = true;
                content.time = this.getNowDate();
                this.msgList.push(content);
                this.saveHistory(content);
                this.scrollBottom();
            },
            OnClose() {
                this.chatTitle="连接关闭!"
            },
            //获取当前用户信息
            getUserInfo(){
                let obj=this.getCache("guest");
                if(!obj){
                    guest.id=this.generateUUID();
                    this.setCache("guest",guest);
                    obj=this.getCache("guest");
                }
                guest=obj;
                this.visitor=obj;
                return obj;
            },
            //加载历史
            getHistory:function(){
                let history=this.getCache("history");
                if(history==null){
                    history=[];
                }
                $.each(history,function(i,val){
                    history[i]["show_time"]=false;

                    let lastKey=(i+1)>=history.length?i:i+1;
                    let lastTime=new Date(history[lastKey]["time"]).getTime();
                    let curTime=new Date(val["time"]).getTime();
                    let diffTime=lastTime-curTime
                    if(diffTime>(1000*60*5)){
                        history[i]["show_time"]=true;
                    }
                });
                console.log(history);
                return history;
            },
            //保存历史
            saveHistory:function(row){
                let history=this.getHistory("history");
                history.push(row);
                this.setCache("history",history);
            },
            //获取信息列表
            getMesssagesByVisitorId(){
                let _this=this;
                $.ajax({
                    type:"get",
                    url:"/messages?visitorId="+this.visitor.id,
                    success: function(data) {
                        if(data.code==200 && data.result!=null){
                            let msgList=data.result;
                            _this.msgList=[];
                            for(let i=0;i<msgList.length;i++){
                                let visitorMes=msgList[i];
                                let content = {}
                                if(visitorMes["mes_type"]=="kefu"){
                                    content.is_kefu = false;
                                    content.avator = visitorMes["kefu_avator"];
                                    content.name = visitorMes["kefu_name"];
                                }else{
                                    content.is_kefu = true;
                                    content.avator = visitorMes["visitor_avator"];
                                    content.name = visitorMes["visitor_name"];
                                }
                                content.content = visitorMes["content"];
                                content.time = visitorMes["time"];
                                _this.msgList.push(content);
                                _this.scrollBottom();
                            }
                        }
                        if(data.code!=200){
                            _this.$message({
                                message: data.msg,
                                type: 'error'
                            });
                        }
                    }
                });
            },
            //滚动到底部
            scrollBottom:function(){
                this.$nextTick(() => {
                    $('.chatBox').scrollTop($(".chatBox")[0].scrollHeight);
                });
            },
            //获取日期
            getNowDate : function() {// 获取日期
                var d = new Date(new Date());
                return d.getFullYear() + '-' + this.digit(d.getMonth() + 1) + '-' + this.digit(d.getDate())
                    + ' ' + this.digit(d.getHours()) + ':' + this.digit(d.getMinutes()) + ':' + this.digit(d.getSeconds());
            },
            //补齐数位
            digit : function (num) {
                return num < 10 ? '0' + (num | 0) : num;
            },
            setCache : function (key,obj){
                if(typeof(Storage) !== "undefined"){
                    localStorage.setItem(key, JSON.stringify(obj));
                }
            },getCache : function (key){
                return JSON.parse(localStorage.getItem(key));
            },
            generateUUID:function () {
                var d = new Date().getTime();
                var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
                    var r = (d + Math.random()*16)%16 | 0;
                    d = Math.floor(d/16);
                    return (c=='x' ? r : (r&0x3|0x8)).toString(16);
                });
                return uuid;
            },
            //获取自动欢迎语句
            getNotice : function (){
                let _this=this;
                    $.get("/notice?kefu_id="+guest.to_id+"&lang={{.Lang}}",function(res) {
                        console.log(res);
                        if (res.result != null) {
                            let msg = res.result;
                            let content = {}
                            content.avator = msg.avator;
                            content.name = msg.nickname;
                            content.content = msg.content;
                            content.is_kefu = false;
                            content.time = msg.time;
                            setTimeout(function () {
                                _this.msgList.push(content);
                                _this.scrollBottom();
                            }, 2000);
                            ;
                        }
                    });
            },
            //获取聊天记录
            getHistoryByApi(){

            },
            initCss(){
                $(function () {
                    $(".chatBox").css("max-height",$(window).height());
                    if (top.location != location){
                        $(".chatBox").css("max-height",$(window).height()-65);
                    }
                });
            },
            //心跳
            ping(){
                let _this=this;
                let mes = {}
                mes.type = "ping";
                mes.data = "";
                setInterval(function () {
                    if(_this.socket!=null){
                        _this.socket.send(JSON.stringify(mes));
                    }
                },5000);
            },
            //初始化
            init(){
                this.initCss();
                this.initConn();
                window.onfocus = function () {
                    clearTimeout(titleTimer);
                    document.title = originTitle;
                };
            },

        },
        created: function () {
            this.init();
            this.getUserInfo();
            //加载历史记录
            this.getMesssagesByVisitorId();
            //this.msgList=this.getHistory();
            //滚动底部
            this.scrollBottom();
            //获取欢迎
            this.getNotice();
            //心跳
            this.ping();
        }
    })

</script>

</html>
